I just saw some screen shots of Crysis with and without Ambient Occlusion, and it looked really cool and better with it on. Now I know in the new beta nvidia drivers 185.20 its include. But does Ati have this feature with their drivers and the 4 series of cards? And if not do they plan on supporting it at all?
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Ambient Occlusion with Ati?
- Thread starter zod96
- Start date
SSAO (The Ambient Occlusion method that Crysis uses) runs as a pixel shader. It doesn't need driver support. Its also not a new feature, Crysis has had this since its launch (it was in the demo as well). It wasn't added by a special driver or patch.
Or are you referring to something else?
Or are you referring to something else?
Mystic-Micro
Gawd
- Joined
- Aug 23, 2006
- Messages
- 759
I believe to enable it, you will need to run crysis in dx10, it should be part of any dx10/.1 spec card.
Incorrect. Ambient Occlusion runs on any DirectX 9.0c card. It is *NOT* a new feature, it is just a pixel shader. The effect has been possible since the geforce 6xxx / radeon x1xxx days (if not since the 9700 Pro). DX10.1 adds Global Illumination, which accomplishes a similar affect as AO but is superior (more realistic).
Again, AO is not a part of any spec, it is not a feature of the card or driver, it is a pixel shader. It will work on ANY card that can run pixel shader version 3.0 (might work on 2.0 as well). AO is the result of clever programming on the part of game developers, nothing more nothing less.
Slight correction of your correctionDX10.1 doesn't add anything - it just makes the GI algorithm faster / more practical to use in real-time.
Ah, I didn't know that. GI was always listed as an advantage of DX10.1 so I assumed that it was something new that was added. Thanks for the correction
Actually he's referring to the fact that AO is now a control panel option offered in NVIDIA drivers. There are pictures floating around with it off and on, showing the difference it makes in Crysis. But Crysis already has AO, so it's not the greatest example (two AO methods layered on top of one another).
ATI does not have anything similar.. the only way to get this feature is to have an NVIDIA board.
That said, the NVIDIA drivers that support this are not officially released. They were leaked and are not supported yet.
http://boris-vorontsov.narod.ru/gallery_en.htm
Boris Vorontsov's ENBSeries hacked SSAO (and other features, like bloom) into many games by hooking to DirectX calls.
Boris Vorontsov's ENBSeries hacked SSAO (and other features, like bloom) into many games by hooking to DirectX calls.